CVE-2024-9680 on CISA KEV

An attacker was able to achieve code execution in the content process by exploiting a use-after-free in Animation timelines. We have had reports of this vulnerability being exploited in the wild. This vulnerability affects Firefox < 131.0.2, Firefox ESR < 128.3.1, Firefox E

01What CISA says about this vulnerability

An attacker was able to achieve code execution in the content process by exploiting a use-after-free in Animation timelines. We have had reports of this vulnerability being exploited in the wild. This vulnerability affects Firefox < 131.0.2, Firefox ESR < 128.3.1, Firefox ESR < 115.16.1, Thunderbird < 131.0.1, Thunderbird < 128.3.1, and Thunderbird < 115.16.0.

02Required action — verbatim from CISA

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

03Notes & references

• bugzilla.mozilla.org — https://bugzilla.mozilla.org/show_bug.cgi?id=1923344
• msrc.microsoft.com — https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2024-49039
• www.mozilla.org — https://www.mozilla.org/security/advisories/mfsa2024-51/
• www.mozilla.org — https://www.mozilla.org/security/advisories/mfsa2024-52/

04SARA's analyst layer — why this matters

This vulnerability is currently on the CISA KEV list, which CISA only adds CVEs to when there is reliable evidence of active exploitation in the wild. For federal civilian agencies, BOD 22-01 requires remediation by the due date above. For everyone else, KEV is the strongest "patch immediately" signal you can get from public threat intel.

05Affected products (summary)

Vendor	Product	Versions
Mozilla	Firefox	unspecified
Mozilla	Firefox ESR	unspecified
Mozilla	Firefox ESR	unspecified
Mozilla	Thunderbird	unspecified
Mozilla	Thunderbird	unspecified
Mozilla	Thunderbird	unspecified

06Detection

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